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| Commodity | 2005 | 2006 | 2007 | 2008 | 2010 |
| Coach screws of iron/steel | | $485 | | $89,912 | $13,116 |
| Wood screws other than coach screws, of iron/steel | $217,366 | $294,584 | $140,700 | $286,238 | $255,796 |
| Screw hooks & screw rings, of iron/steel | $49,255 | $116,379 | | | $135,316 |
| Self-tapping screws of iron/steel | $531,166 | $667,893 | $332,974 | $630,502 | $78,074 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $6,114,788 | $7,410,581 | $6,261,530 | $12,036,715 | $10,707,533 |
| Nuts of iron/steel | $742,240 | $257,124 | $213,840 | $569,035 | $1,131,196 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $406,515 | $3,748,481 | $709,372 | $1,207,244 | $835,975 |
| Spring washers & oth. lock washers, of iron/steel | | $64,358 | | | $37,773 |
| Washers (excl. of 7318.21) of iron/steel | $74,228 | $273,782 | $255,958 | $86,057 | $104,537 |
| Rivets of iron/steel | $234,210 | $106,776 | $101,247 | $284,567 | $256,159 |
| Cotters & cotter-pins, of iron/steel | | $94,423 | | | $35,330 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $539,447 | $2,285,023 | $70,242 | $445,021 | $804,648 |
| Total | $8,909,215 | $15,319,889 | $8,085,863 | $15,635,291 | $14,395,453 |
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